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Data transfer in Isochronous mode
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Data transfer in Isochronous mode

swapnilb1 posted on 18 Nov 2009 5:07 AM PST
Member
2 Forum Posts
I download the Firmware(Isochronous) using Cypress Console EZ-USB interface and check the get pipe info as
Get PipeInfo
Pipe: 0 Type: ISO Endpoint: 2 OUT MaxPktSize: 0x400
Pipe: 1 Type: ISO Endpoint: 6 IN MaxPktSize: 0x400

I am transferring the data through ISO TRANS pipe 0 with 1024 length, Packet size 1024 with 1 packet with the same hardware used for Bulk mode.
Isoc OUT Transfer
Isoc OUT failed
Would anybody tell me why the transfer get failed?



Re: Data transfer in Isochronous mode

AMAS posted on 19 Oct 2010 04:07 AM PST
Member
6 Forum Posts

Hi

 

Transfer size in a ISO transfer using CYUSB must be multiple of 8 times of maximum packet size of endpoint.

which means in your case it must be 8*1024=8192.

 

Good luck.

AMAS






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